Finding the Fourth Proportional to 219,013.46, 302,220.48 and 123,543.62
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Solution
The fourth proportional to 219,013.46, 302,220.48 and 123,543.62 is: 170,479.99
Step by Step Solution
- Step 1: Write the proportion equation
219,013.46 : 302,220.48 = 123,543.62 : x - Step 2: Convert to fraction form
219,013.46/302,220.48 = 123,543.62/x - Step 3: Cross multiply
219,013.46x = 302,220.48 × 123,543.62 - Step 4: Simplify right side
219,013.46x = 37,337,412,137.34 - Step 5: Solve for x
x = 37,337,412,137.34/219,013.46 - Step 6: Final answer
x = 170,479.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.